xsd:language is for language identifiers à la RFC 3066. MODS guidelines say the lang attribute's value comes from ISO 639-2 bibliographic. (The former is valid for the xml:lang attribute; why MODS has two different language attributes is another matter.)


>>> [log in to unmask] 01/17/05 11:43 AM >>>
On Jan 17, 2005, at 10:45 AM, Andrew E Switala wrote:

> Some MSTL types can be further constrained:
> * The base of mstl:urlType should be xsd:anyURI, not xsd:string
> * The lang attribute should conform to the pattern [a-z]{3}

Why not xsd:lang?